BHATTI, A. T. EFFICIENCY OF SERIAL SMEAR EXAMINATIONS IN EXCLUDING SPUTUM SMEAR POSITIVE TUBERCULOSIS. Pakistan Journal of Chest Medicine, [S. l.], v. 15, n. 1, 2009. Disponível em: https://pjcm.net/index.php/pjcm/article/view/160. Acesso em: 22 apr. 2026.